Home / 29,171.41-43,720.20-18,637.36

Finding the Fourth Proportional to 29,171.41, 43,720.20 and 18,637.36

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Solution

The fourth proportional to 29,171.41, 43,720.20 and 18,637.36 is: 27,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,171.41 : 43,720.20 = 18,637.36 : x
  2. Step 2: Convert to fraction form
    29,171.41/43,720.20 = 18,637.36/x
  3. Step 3: Cross multiply
    29,171.41x = 43,720.20 × 18,637.36
  4. Step 4: Simplify right side
    29,171.41x = 814,828,997.37
  5. Step 5: Solve for x
    x = 814,828,997.37/29,171.41
  6. Step 6: Final answer
    x = 27,932.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.